// This file was copied from glibc-2.16.0/stdio-common/vfscanf.c
// and adapted to our needs.
/* Copyright (C) 1991-2012 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <wctype.h>
#include <bits/libc-lock.h>
#include <locale.h>
#include <stddef.h>
#include "slibc.h"
//#include <locale/localeinfo.h>

#ifdef	__GNUC__
# define HAVE_LONGLONG
# define LONGLONG	long long
#else
# define LONGLONG	long
#endif

/* Determine whether we have to handle `long long' at all.  */
#if LONG_MAX == LONG_LONG_MAX
# define need_longlong	0
#else
# define need_longlong	1
#endif

/* Determine whether we have to handle `long'.  */
#if INT_MAX == LONG_MAX
# define need_long	0
#else
# define need_long	1
#endif

# define _IO_FLAGS2_SCANF_STD 16

#define __set_errno(ERROR_NUM) errno = ERROR_NUM

#ifdef EINVAL
# define MAYBE_SET_EINVAL __set_errno (EINVAL)
#else
# define MAYBE_SET_EINVAL /* nothing */
#endif


/* Those are flags in the conversion format. */
#define LONG		0x0001	/* l: long or double */
#define LONGDBL		0x0002	/* L: long long or long double */
#define SHORT		0x0004	/* h: short */
#define SUPPRESS	0x0008	/* *: suppress assignment */
#define POINTER		0x0010	/* weird %p pointer (`fake hex') */
#define NOSKIP		0x0020	/* do not skip blanks */
#define NUMBER_SIGNED	0x0040	/* signed integer */
#define GROUP		0x0080	/* ': group numbers */
#define GNU_MALLOC	0x0100	/* a: malloc strings */
#define CHAR		0x0200	/* hh: char */
#define I18N		0x0400	/* I: use locale's digits */
#define HEXA_FLOAT	0x0800	/* hexadecimal float */
#define READ_POINTER	0x1000	/* this is a pointer value */
#define POSIX_MALLOC	0x2000	/* m: malloc strings */
#define MALLOC		(GNU_MALLOC | POSIX_MALLOC)

//#include <locale/localeinfo.h>
//#include <libioP.h>
//#include <libio.h>

#undef va_list
#define va_list	_IO_va_list

#ifdef COMPILE_WSCANF
# define myungetc(c, s)	((void) (c == WEOF						\
								 || (--read_in,					\
									 ungetwc (s, c))))
# define myungetc_not_eof(c, s)	((void) (--read_in,					\
										 ungetwc (s, c)))
# define inchar()	(c == WEOF ? ((errno = inchar_errno), WEOF)			\
					 : ((c = _IO_getwc_unlocked (s)),					\
						(void) (c != WEOF								\
								? ++read_in								\
								: (size_t) (inchar_errno = errno)), c))

# define MEMCPY(d, s, n) __wmemcpy (d, s, n)
# define ISSPACE(Ch)	  iswspace (Ch)
# define ISDIGIT(Ch)	  iswdigit (Ch)
# define ISXDIGIT(Ch)	  iswxdigit (Ch)
# define TOLOWER(Ch)	  towlower (Ch)
# define ORIENT	  if (_IO_fwide (s, 1) != 1) return WEOF
# define __strtoll_internal	__wcstoll_internal
# define __strtoull_internal	__wcstoull_internal
# define __strtol_internal	__wcstol_internal
# define __strtoul_internal	__wcstoul_internal
# define __strtold_internal	__wcstold_internal
# define __strtod_internal	__wcstod_internal
# define __strtof_internal	__wcstof_internal

# define L_(Str)	L##Str
# define CHAR_T		wchar_t
# define UCHAR_T	unsigned int
# define WINT_T		wint_t
# undef EOF
# define EOF		WEOF
#else
# define __strtoll_internal(nptr, endptr, base, flags)	strtoll(nptr, endptr, base)
# define __strtoull_internal(nptr, endptr, base, flags) strtoull(nptr, endptr, base)
# define __strtol_internal(nptr, endptr, base, flags)   strtol(nptr, endptr, base)
# define __strtoul_internal(nptr, endptr, base, flags)	strtoul(nptr, endptr, base)
# define __strtold_internal(nptr, endptr, flags)	strtold(nptr, endptr )
# define __strtod_internal(nptr, endptr, flags)	strtod(nptr, endptr)
# define __strtof_internal(nptr, endptr, flags)	strtof(nptr, endptr)

# define myungetc(c, s)	((void) ((int) c == EOF							\
								 || (--read_in,							\
									 ungetc ((unsigned char) c, s))))
# define myungetc_not_eof(c, s)	((void) (--read_in,						\
										 ungetc ((unsigned char) c, s)))
# define inchar()	(c == EOF ? ((errno = inchar_errno), EOF)			\
					 : ((c = _IO_getc_unlocked (s)),					\
						(void) (c != EOF								\
								? ++read_in								\
								: (size_t) (inchar_errno = errno)), c))
# define MEMCPY(d, s, n) memcpy (d, s, n)
# define ISSPACE(Ch)	  isspace (Ch)
# define ISDIGIT(Ch)	  isdigit (Ch)
# define ISXDIGIT(Ch)	  isxdigit (Ch)
# define TOLOWER(Ch)	  tolower ((unsigned char) (Ch))
//_IO_vtable_offset (s) == 0	
# define ORIENT	  if (fwide (s, -1) != -1)	\
		return EOF

# define L_(Str)	Str
# define CHAR_T		char
# define UCHAR_T	unsigned char
# define WINT_T		int
#endif

#define runtime_constraint_violation() do {						\
		runtime_constraint = 1;									\
		goto errout;											\
	} while (0)
#define encode_error() do {						\
		errval = 4;								\
		__set_errno (EILSEQ);					\
		goto errout;							\
	} while (0)
#define conv_error()	do {					\
		errval = 2;								\
		goto errout;							\
	} while (0)
#define input_error()	do {					\
		errval = 1;								\
		if (done == 0) done = EOF;				\
		goto errout;							\
	} while (0)
#define add_ptr_to_free(ptr)											\
	do																	\
    {																	\
		if (ptrs_to_free == NULL										\
			|| ptrs_to_free->count == (sizeof (ptrs_to_free->ptrs)		\
									   / sizeof (ptrs_to_free->ptrs[0]))) \
		{																\
			struct ptrs_to_free *new_ptrs = (struct ptrs_to_free*) alloca (sizeof (*ptrs_to_free)); \
			new_ptrs->count = 0;										\
			new_ptrs->next = ptrs_to_free;								\
			ptrs_to_free = new_ptrs;									\
		}																\
		ptrs_to_free->ptrs[ptrs_to_free->count++] = (ptr);				\
    }																	\
	while (0)

// empty. we do most of the stuff already before.
#define ARGCHECK(s, format)							

#define LOCK_STREAM(S)													\
	__libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, (S)); \
	_IO_flockfile (S)
#define UNLOCK_STREAM(S)						\
	_IO_funlockfile (S);						\
	__libc_cleanup_region_end (0)

struct ptrs_to_free
{
	size_t count;
	struct ptrs_to_free *next;
	char **ptrs[32];
};

/* Read formatted input from S according to the format string
   FORMAT, using the argument list in ARG.
   Return the number of assignments made, or -1 for an input error.  */
#ifdef COMPILE_WSCANF
# error "Not adapated to _s yet."
SLIBC_INTERNAL int
gnu_vfwscanf_s (_IO_FILE *s, const wchar_t *format, _IO_va_list argptr,
			  int *errp)
#else
	SLIBC_INTERNAL int
	gnu_vfscanf_s (_IO_FILE *s, const char *format, _IO_va_list argptr,
				   int *errp)
#endif
{
	va_list arg;
	register const CHAR_T *f = format;
	register UCHAR_T fc;	/* Current character of the format.  */
	register WINT_T done = 0;	/* Assignments done.  */
	register size_t read_in = 0;	/* Chars read in.  */
	register WINT_T c = 0;	/* Last char read.  */
	register int width;		/* Maximum field width.  */
	register int flags;		/* Modifiers for current format element.  */
	int errval = 0;
#ifndef COMPILE_WSCANF
//	__locale_t loc = _NL_CURRENT_LOCALE;
//	struct __locale_data *const curctype = loc->__locales[LC_CTYPE];
#endif

	/* Errno of last failed inchar call.  */
	int inchar_errno = 0;
	/* Status for reading F-P nums.  */
	char got_dot, got_e, negative;
	/* If a [...] is a [^...].  */
	CHAR_T not_in;
#define exp_char not_in
	/* Base for integral numbers.  */
	int base;
	/* Decimal point character.  */
#ifdef COMPILE_WSCANF
	wint_t decimal;
#else
	const char *decimal;
#endif
	/* The thousands character of the current locale.  */
#ifdef COMPILE_WSCANF
	wint_t thousands;
#else
	const char *thousands;
#endif
	struct ptrs_to_free *ptrs_to_free = NULL;
	/* State for the conversions.  */
	mbstate_t state;
	/* Integral holding variables.  */
	union
    {
		long long int q;
		unsigned long long int uq;
		long int l;
		unsigned long int ul;
    } num;
	/* Character-buffer pointer.  */
	char *str = NULL;
	wchar_t *wstr = NULL;
	size_t str_sz = 0;
	char **strptr = NULL;
	ssize_t strsize = 0;
	/* We must not react on white spaces immediately because they can
	   possibly be matched even if in the input stream no character is
	   available anymore.  */
	int skip_space = 0;
	/* Workspace.  */
	CHAR_T *tw;			/* Temporary pointer.  */
	CHAR_T *wp = NULL;		/* Workspace.  */
	size_t wpmax = 0;		/* Maximal size of workspace.  */
	size_t wpsize;		/* Currently used bytes in workspace.  */
	int use_malloc = 0;
	int runtime_constraint = 0;

#define ADDW(Ch)														\
	do																	\
    {																	\
		if (__builtin_expect (wpsize == wpmax, 0))						\
		{																\
			CHAR_T *old = wp;											\
			size_t newsize = (UCHAR_MAX + 1 > 2 * wpmax					\
							  ? UCHAR_MAX + 1 : 2 * wpmax);				\
			if (1)														\
			{															\
				wp = (char*) realloc (use_malloc ? wp : NULL, newsize);	\
				if (wp == NULL)											\
				{														\
					if (use_malloc)										\
						free (old);										\
					done = EOF;											\
					goto errout;										\
				}														\
				if (! use_malloc)										\
					MEMCPY (wp, old, wpsize);							\
				wpmax = newsize;										\
				use_malloc = 1;							 			\
			}															\
													\
		}																\
		wp[wpsize++] = (Ch);											\
    }																	\
	while (0)

#ifdef __va_copy
	__va_copy (arg, argptr);
#else
	arg = (va_list) argptr;
#endif

#ifdef ORIENT
	ORIENT;
#endif

	ARGCHECK (s, format);

	{
#ifndef COMPILE_WSCANF
//		struct __locale_data *const curnumeric = loc->__locales[LC_NUMERIC];
#endif

		/* Figure out the decimal point character.  */
#ifdef COMPILE_WSCANF
		decimal = _NL_CURRENT_WORD (LC_NUMERIC, _NL_NUMERIC_DECIMAL_POINT_WC);
#else
		decimal = ".";
//		decimal = curnumeric->values[_NL_ITEM_INDEX (DECIMAL_POINT)].string;
#endif
		/* Figure out the thousands separator character.  */
#ifdef COMPILE_WSCANF
		thousands = _NL_CURRENT_WORD (LC_NUMERIC, _NL_NUMERIC_THOUSANDS_SEP_WC);
#else
		thousands = "";
//		thousands = curnumeric->values[_NL_ITEM_INDEX (THOUSANDS_SEP)].string;
		if (*thousands == '\0')
			thousands = NULL;
#endif
	}

	/* Lock the stream.  */
	LOCK_STREAM (s);


#ifndef COMPILE_WSCANF
	/* From now on we use `state' to convert the format string.  */
	memset (&state, '\0', sizeof (state));
#endif

	/* Run through the format string.  */
	while (*f != '\0')
    {
		unsigned int argpos;
		/* Extract the next argument, which is of type TYPE.
		   For a %N$... spec, this is the Nth argument from the beginning;
		   otherwise it is the next argument after the state now in ARG.  */

#ifdef __va_copy
# define ARG(type)	(argpos == 0 ? \
					 ({ type tmp = va_arg (arg, type);					\
						 if (tmp==0) {runtime_constraint_violation();}	\
						 tmp;    \
					 }):												\
					 ({ unsigned int pos = argpos;			\
						 va_list arg;						\
						 __va_copy (arg, argptr);			\
						 while (--pos > 0)					\
							 (void) va_arg (arg, void *);	\
						 type tmp = va_arg (arg, type);     \
						 if (tmp==0) {runtime_constraint_violation();}	\
						 tmp; 											\
					 }))
#else
# if 0
		/* XXX Possible optimization.  */
#  define ARG(type)	(argpos == 0 ? va_arg (arg, type) :					\
					 ({ va_list arg = (va_list) argptr;					\
						 arg = (va_list) ((char *) arg					\
										  + (argpos - 1)				\
										  * __va_rounded_size (void *)); \
						 va_arg (arg, type);							\
					 }))
# else
#  define ARG(type)	(argpos == 0 ? va_arg (arg, type) :		\
					 ({ unsigned int pos = argpos;			\
						 va_list arg = (va_list) argptr;	\
						 while (--pos > 0)					\
							 (void) va_arg (arg, void *);	\
						 va_arg (arg, type);				\
					 }))
# endif
#endif

#ifndef COMPILE_WSCANF
		if (!isascii ((unsigned char) *f))
		{
			/* Non-ASCII, may be a multibyte.  */
			int len = mbrlen (f, strlen (f), &state);
			if (len > 0)
			{
				do
				{
					c = inchar ();
					if (__builtin_expect (c == EOF, 0))
						input_error ();
					else if (c != (unsigned char) *f++)
					{
						myungetc_not_eof (c, s);
						conv_error ();
					}
				}
				while (--len > 0);
				continue;
			}
		}
#endif

		fc = *f++;
		if (fc != '%')
		{
			/* Remember to skip spaces.  */
			if (ISSPACE (fc))
			{
				skip_space = 1;
				continue;
			}

			/* Read a character.  */
			c = inchar ();

			/* Characters other than format specs must just match.  */
			if (__builtin_expect (c == EOF, 0))
				input_error ();

			/* We saw white space char as the last character in the format
			   string.  Now it's time to skip all leading white space.  */
			if (skip_space)
			{
				while (ISSPACE (c))
					if (__builtin_expect (inchar () == EOF, 0))
						input_error ();
				skip_space = 0;
			}

			if (__builtin_expect (c != fc, 0))
			{
				myungetc (c, s);
				conv_error ();
			}

			continue;
		}

		/* This is the start of the conversion string. */
		flags = 0;

		/* Initialize state of modifiers.  */
		argpos = 0;

		/* Prepare temporary buffer.  */
		wpsize = 0;

		/* Check for a positional parameter specification.  */
		if (ISDIGIT ((UCHAR_T) *f))
		{
			argpos = (UCHAR_T) *f++ - L_('0');
			while (ISDIGIT ((UCHAR_T) *f))
				argpos = argpos * 10 + ((UCHAR_T) *f++ - L_('0'));
			if (*f == L_('$'))
				++f;
			else
			{
				/* Oops; that was actually the field width.  */
				width = argpos;
				argpos = 0;
				goto got_width;
			}
		}

		/* Check for the assignment-suppressing, the number grouping flag,
		   and the signal to use the locale's digit representation.  */
		while (*f == L_('*') || *f == L_('\'') || *f == L_('I'))
			switch (*f++)
			{
			case L_('*'):
				flags |= SUPPRESS;
				break;
			case L_('\''):
#ifdef COMPILE_WSCANF
				if (thousands != L'\0')
#else
					if (thousands != NULL)
#endif
						flags |= GROUP;
				break;
			case L_('I'):
				flags |= I18N;
				break;
			}

		/* Find the maximum field width.  */
		width = 0;
		while (ISDIGIT ((UCHAR_T) *f))
		{
			width *= 10;
			width += (UCHAR_T) *f++ - L_('0');
		}
    got_width:
		if (width == 0)
			width = -1;

		/* Check for type modifiers.  */
		switch (*f++)
		{
		case L_('h'):
			/* ints are short ints or chars.  */
			if (*f == L_('h'))
			{
				++f;
				flags |= CHAR;
			}
			else
				flags |= SHORT;
			break;
		case L_('l'):
			if (*f == L_('l'))
			{
				/* A double `l' is equivalent to an `L'.  */
				++f;
				flags |= LONGDBL | LONG;
			}
			else
				/* ints are long ints.  */
				flags |= LONG;
			break;
		case L_('q'):
		case L_('L'):
			/* doubles are long doubles, and ints are long long ints.  */
			flags |= LONGDBL | LONG;
			break;
		case L_('a'):
			/* The `a' is used as a flag only if followed by `s', `S' or
			   `['.  */
			if (*f != L_('s') && *f != L_('S') && *f != L_('['))
			{
				--f;
				break;
			}
			/* In __isoc99_*scanf %as, %aS and %a[ extension is not
			   supported at all.  */
			if (s->_flags2 & _IO_FLAGS2_SCANF_STD)
			{
				--f;
				break;
			}
			/* String conversions (%s, %[) take a `char **'
			   arg and fill it in with a malloc'd pointer.  */
			flags |= GNU_MALLOC;
			break;
		case L_('m'):
			flags |= POSIX_MALLOC;
			if (*f == L_('l'))
			{
				++f;
				flags |= LONG;
			}
			break;
		case L_('z'):
			if (need_longlong && sizeof (size_t) > sizeof (unsigned long int))
				flags |= LONGDBL;
			else if (sizeof (size_t) > sizeof (unsigned int))
				flags |= LONG;
			break;
		case L_('j'):
			if (need_longlong && sizeof (uintmax_t) > sizeof (unsigned long int))
				flags |= LONGDBL;
			else if (sizeof (uintmax_t) > sizeof (unsigned int))
				flags |= LONG;
			break;
		case L_('t'):
			if (need_longlong && sizeof (ptrdiff_t) > sizeof (long int))
				flags |= LONGDBL;
			else if (sizeof (ptrdiff_t) > sizeof (int))
				flags |= LONG;
			break;
		default:
			/* Not a recognized modifier.  Backup.  */
			--f;
			break;
		}

		/* End of the format string?  */
		if (__builtin_expect (*f == L_('\0'), 0))
			conv_error ();

		/* Find the conversion specifier.  */
		fc = *f++;
		if (skip_space || (fc != L_('[') && fc != L_('c')
						   && fc != L_('C') && fc != L_('n')))
		{
			/* Eat whitespace.  */
			int save_errno = errno;
			errno = 0;
			__set_errno (0);
			do
				/* We add the additional test for EOF here since otherwise
				   inchar will restore the old errno value which might be
				   EINTR but does not indicate an interrupt since nothing
				   was read at this time.  */
				if (__builtin_expect ((c == EOF || inchar () == EOF)
									  && errno == EINTR, 0))
					input_error ();
			while (ISSPACE (c));
			__set_errno (save_errno);
			myungetc (c, s);
			skip_space = 0;
		}

		switch (fc)
		{
		case L_('%'):	/* Must match a literal '%'.  */
			c = inchar ();
			if (__builtin_expect (c == EOF, 0))
				input_error ();
			if (__builtin_expect (c != fc, 0))
			{
				myungetc_not_eof (c, s);
				conv_error ();
			}
			break;

		case L_('n'):	/* Answer number of assignments done.  */
			/* Corrigendum 1 to ISO C 1990 describes the allowed flags
			   with the 'n' conversion specifier.  */
			if (!(flags & SUPPRESS))
			{
				/* Don't count the read-ahead.  */
				if (need_longlong && (flags & LONGDBL))
					*ARG (long long int *) = read_in;
				else if (need_long && (flags & LONG))
					*ARG (long int *) = read_in;
				else if (flags & SHORT)
					*ARG (short int *) = read_in;
				else if (!(flags & CHAR))
					*ARG (int *) = read_in;
				else
					*ARG (char *) = read_in;

#ifdef NO_BUG_IN_ISO_C_CORRIGENDUM_1
				/* We have a severe problem here.  The ISO C standard
				   contradicts itself in explaining the effect of the %n
				   format in `scanf'.  While in ISO C:1990 and the ISO C
				   Amendement 1:1995 the result is described as

				   Execution of a %n directive does not effect the
				   assignment count returned at the completion of
				   execution of the f(w)scanf function.

				   in ISO C Corrigendum 1:1994 the following was added:

				   Subclause 7.9.6.2
				   Add the following fourth example:
				   In:
				   #include <stdio.h>
				   int d1, d2, n1, n2, i;
				   i = sscanf("123", "%d%n%n%d", &d1, &n1, &n2, &d2);
				   the value 123 is assigned to d1 and the value3 to n1.
				   Because %n can never get an input failure the value
				   of 3 is also assigned to n2.  The value of d2 is not
				   affected.  The value 3 is assigned to i.

				   We go for now with the historically correct code from ISO C,
				   i.e., we don't count the %n assignments.  When it ever
				   should proof to be wrong just remove the #ifdef above.  */
				++done;
#endif
			}
			break;

		case L_('c'):	/* Match characters.  */
			if ((flags & LONG) == 0)
			{
				if (width == -1)
					width = 1;

#define STRING_ARG(Str, Type, Width)									\
				do if (!(flags & SUPPRESS))								\
				   {													\
					   if (flags & MALLOC)								\
					   {												\
						   /* The string is to be stored in a malloc'd buffer.  */ \
						   /* For %mS using char ** is actually wrong, but \
							  shouldn't make a difference on any arch glibc	\
							  supports and would unnecessarily complicate \
							  things. */								\
						   strptr = ARG (char **);						\
						   if (strptr == NULL)							\
							   conv_error ();							\
						   /* Allocate an initial buffer.  */			\
						   strsize = Width;								\
						   *strptr = (char *) malloc (strsize * sizeof (Type));	\
						   Str = (Type *) *strptr;						\
						   if (Str != NULL)								\
							   add_ptr_to_free (strptr);				\
						   else if (flags & POSIX_MALLOC)				\
						   {											\
							   done = EOF;								\
							   goto errout;								\
						   }											\
					   }												\
					   else												\
						   Str = ARG (Type *);							\
					   if (Str == NULL)									\
						   conv_error ();								\
				   } while (0)
/* #ifdef COMPILE_WSCANF */
/* 				STRING_ARG (str, char, 100); */
/* #else */
/* 				STRING_ARG (str, char, (width > 1024 ? 1024 : width)); */
/* #endif */
				if (!(flags & SUPPRESS))
				{
					str = ARG (char*);
					str_sz = ARG(size_t);
				}

				c = inchar ();
				if (__builtin_expect (c == EOF, 0))
					input_error ();

#ifdef COMPILE_WSCANF
				/* We have to convert the wide character(s) into multibyte
				   characters and store the result.  */
				memset (&state, '\0', sizeof (state));

				do
				{
					size_t n;

					if (!(flags & SUPPRESS) && (flags & POSIX_MALLOC)
						&& str + MB_CUR_MAX >= *strptr + strsize)
					{
						/* We have to enlarge the buffer if the `m' flag
						   was given.  */
						size_t strleng = str - *strptr;
						char *newstr;

						newstr = (char *) realloc (*strptr, strsize * 2);
						if (newstr == NULL)
						{
							/* Can't allocate that much.  Last-ditch effort.  */
							newstr = (char *) realloc (*strptr,
													   strleng + MB_CUR_MAX);
							if (newstr == NULL)
							{
								/* c can't have `a' flag, only `m'.  */
								done = EOF;
								goto errout;
							}
							else
							{
								*strptr = newstr;
								str = newstr + strleng;
								strsize = strleng + MB_CUR_MAX;
							}
						}
						else
						{
							*strptr = newstr;
							str = newstr + strleng;
							strsize *= 2;
						}
					}

					n = wcrtomb (!(flags & SUPPRESS) ? str : NULL, c, &state);
					if (__builtin_expect (n == (size_t) -1, 0))
						/* No valid wide character.  */
						input_error ();

					/* Increment the output pointer.  Even if we don't
					   write anything.  */
					str += n;
				}
				while (--width > 0 && inchar () != EOF);
#else
				if (!(flags & SUPPRESS))
				{
					do
					{
						if ( str_sz-- == 0 )
						{
							conv_error();
						}

						if ((flags & MALLOC)
							&& (char *) str == *strptr + strsize)
						{
							/* Enlarge the buffer.  */
							size_t newsize
								= strsize
								+ (strsize >= width ? width - 1 : strsize);

							str = (char *) realloc (*strptr, newsize);
							if (str == NULL)
							{
								/* Can't allocate that much.  Last-ditch
								   effort.  */
								str = (char *) realloc (*strptr, strsize + 1);
								if (str == NULL)
								{
									/* c can't have `a' flag, only `m'.  */
									done = EOF;
									goto errout;
								}
								else
								{
									*strptr = (char *) str;
									str += strsize;
									++strsize;
								}
							}
							else
							{
								*strptr = (char *) str;
								str += strsize;
								strsize = newsize;
							}
						}

						*str++ = c;
					}
					while (--width > 0 && inchar () != EOF);
				}
				else
					while (--width > 0 && inchar () != EOF);
#endif

				if (!(flags & SUPPRESS))
				{
					if ((flags & MALLOC) && str - *strptr != strsize)
					{
						char *cp = (char *) realloc (*strptr, str - *strptr);
						if (cp != NULL)
							*strptr = cp;
					}
					strptr = NULL;
					++done;
				}

				break;
			}
			/* FALLTHROUGH */
		case L_('C'):
			if (width == -1)
				width = 1;

			STRING_ARG (wstr, wchar_t, (width > 1024 ? 1024 : width));

			c = inchar ();
			if (__builtin_expect (c == EOF, 0))
				input_error ();

#ifdef COMPILE_WSCANF
			/* Just store the incoming wide characters.  */
			if (!(flags & SUPPRESS))
			{
				do
				{
					if ((flags & MALLOC)
						&& wstr == (wchar_t *) *strptr + strsize)
					{
						size_t newsize
							= strsize + (strsize > width ? width - 1 : strsize);
						/* Enlarge the buffer.  */
						wstr = (wchar_t *) realloc (*strptr,
													newsize * sizeof (wchar_t));
						if (wstr == NULL)
						{
							/* Can't allocate that much.  Last-ditch effort.  */
							wstr = (wchar_t *) realloc (*strptr,
														(strsize + 1)
														* sizeof (wchar_t));
							if (wstr == NULL)
							{
								/* C or lc can't have `a' flag, only `m'
								   flag.  */
								done = EOF;
								goto errout;
							}
							else
							{
								*strptr = (char *) wstr;
								wstr += strsize;
								++strsize;
							}
						}
						else
						{
							*strptr = (char *) wstr;
							wstr += strsize;
							strsize = newsize;
						}
					}
					*wstr++ = c;
				}
				while (--width > 0 && inchar () != EOF);
			}
			else
				while (--width > 0 && inchar () != EOF);
#else
			{
				/* We have to convert the multibyte input sequence to wide
				   characters.  */
				char buf[1];
				mbstate_t cstate;

				memset (&cstate, '\0', sizeof (cstate));

				do
				{
					/* This is what we present the mbrtowc function first.  */
					buf[0] = c;

					if (!(flags & SUPPRESS) && (flags & MALLOC)
						&& wstr == (wchar_t *) *strptr + strsize)
					{
						size_t newsize
							= strsize + (strsize > width ? width - 1 : strsize);
						/* Enlarge the buffer.  */
						wstr = (wchar_t *) realloc (*strptr,
													newsize * sizeof (wchar_t));
						if (wstr == NULL)
						{
							/* Can't allocate that much.  Last-ditch effort.  */
							wstr = (wchar_t *) realloc (*strptr,
														((strsize + 1)
														 * sizeof (wchar_t)));
							if (wstr == NULL)
							{
								/* C or lc can't have `a' flag, only `m' flag.  */
								done = EOF;
								goto errout;
							}
							else
							{
								*strptr = (char *) wstr;
								wstr += strsize;
								++strsize;
							}
						}
						else
						{
							*strptr = (char *) wstr;
							wstr += strsize;
							strsize = newsize;
						}
					}

					while (1)
					{
						size_t n;

						n = mbrtowc (!(flags & SUPPRESS) ? wstr : NULL,
									   buf, 1, &cstate);

						if (n == (size_t) -2)
						{
							/* Possibly correct character, just not enough
							   input.  */
							if (__builtin_expect (inchar () == EOF, 0))
								encode_error ();

							buf[0] = c;
							continue;
						}

						if (__builtin_expect (n != 1, 0))
							encode_error ();

						/* We have a match.  */
						break;
					}

					/* Advance the result pointer.  */
					++wstr;
				}
				while (--width > 0 && inchar () != EOF);
			}
#endif

			if (!(flags & SUPPRESS))
			{
				if ((flags & MALLOC) && wstr - (wchar_t *) *strptr != strsize)
				{
					wchar_t *cp = (wchar_t *) realloc (*strptr,
													   ((wstr
														 - (wchar_t *) *strptr)
														* sizeof (wchar_t)));
					if (cp != NULL)
						*strptr = (char *) cp;
				}
				strptr = NULL;

				++done;
			}

			break;

		case L_('s'):		/* Read a string.  */
			if (!(flags & LONG))
			{
//				STRING_ARG (str, char, 100);
				if (!(flags & SUPPRESS))
				{
					str = ARG (char*);
					str_sz = ARG(size_t);
					if (str_sz>0) str_sz--;
				}

				c = inchar ();
				if (__builtin_expect (c == EOF, 0))
					input_error ();

#ifdef COMPILE_WSCANF
				memset (&state, '\0', sizeof (state));
#endif

				do
				{
					if (ISSPACE (c))
					{
						myungetc_not_eof (c, s);
						break;
					}

#ifdef COMPILE_WSCANF
					/* This is quite complicated.  We have to convert the
					   wide characters into multibyte characters and then
					   store them.  */
					{
						size_t n;

						if (!(flags & SUPPRESS) && (flags & MALLOC)
							&& str + MB_CUR_MAX >= *strptr + strsize)
						{
							/* We have to enlarge the buffer if the `a' or `m'
							   flag was given.  */
							size_t strleng = str - *strptr;
							char *newstr;

							newstr = (char *) realloc (*strptr, strsize * 2);
							if (newstr == NULL)
							{
								/* Can't allocate that much.  Last-ditch
								   effort.  */
								newstr = (char *) realloc (*strptr,
														   strleng + MB_CUR_MAX);
								if (newstr == NULL)
								{
									if (flags & POSIX_MALLOC)
									{
										done = EOF;
										goto errout;
									}
									/* We lose.  Oh well.  Terminate the
									   string and stop converting,
									   so at least we don't skip any input.  */
									((char *) (*strptr))[strleng] = '\0';
									strptr = NULL;
									++done;
									conv_error ();
								}
								else
								{
									*strptr = newstr;
									str = newstr + strleng;
									strsize = strleng + MB_CUR_MAX;
								}
							}
							else
							{
								*strptr = newstr;
								str = newstr + strleng;
								strsize *= 2;
							}
						}

						n = wcrtomb (!(flags & SUPPRESS) ? str : NULL, c,
									   &state);
						if (__builtin_expect (n == (size_t) -1, 0))
							encode_error ();

						assert (n <= MB_CUR_MAX);
						str += n;
					}
#else
					/* This is easy.  */
					if (!(flags & SUPPRESS))
					{
						if ( str_sz-- == 0 )
						{
							conv_error();
						}

						*str++ = c;

						if ((flags & MALLOC)
							&& (char *) str == *strptr + strsize)
						{
							/* Enlarge the buffer.  */
							str = (char *) realloc (*strptr, 2 * strsize);
							if (str == NULL)
							{
								/* Can't allocate that much.  Last-ditch
								   effort.  */
								str = (char *) realloc (*strptr, strsize + 1);
								if (str == NULL)
								{
									if (flags & POSIX_MALLOC)
									{
										done = EOF;
										goto errout;
									}
									/* We lose.  Oh well.  Terminate the
									   string and stop converting,
									   so at least we don't skip any input.  */
									((char *) (*strptr))[strsize - 1] = '\0';
									strptr = NULL;
									++done;
									conv_error ();
								}
								else
								{
									*strptr = (char *) str;
									str += strsize;
									++strsize;
								}
							}
							else
							{
								*strptr = (char *) str;
								str += strsize;
								strsize *= 2;
							}
						}
					}
					
#endif
				}
				while ((width <= 0 || --width > 0) && inchar () != EOF);

				
				if (!(flags & SUPPRESS))
				{
#ifdef COMPILE_WSCANF
					/* We have to emit the code to get into the initial
					   state.  */
					char buf[MB_LEN_MAX];
					size_t n = wcrtomb (buf, L'\0', &state);
					if (n > 0 && (flags & MALLOC)
						&& str + n >= *strptr + strsize)
					{
						/* Enlarge the buffer.  */
						size_t strleng = str - *strptr;
						char *newstr;

						newstr = (char *) realloc (*strptr, strleng + n + 1);
						if (newstr == NULL)
						{
							if (flags & POSIX_MALLOC)
							{
								done = EOF;
								goto errout;
							}
							/* We lose.  Oh well.  Terminate the string
							   and stop converting, so at least we don't
							   skip any input.  */
							((char *) (*strptr))[strleng] = '\0';
							strptr = NULL;
							++done;
							conv_error ();
						}
						else
						{
							*strptr = newstr;
							str = newstr + strleng;
							strsize = strleng + n + 1;
						}
					}

					str = mempcpy (str, buf, n);
#endif
					*str++ = '\0';

					if ((flags & MALLOC) && str - *strptr != strsize)
					{
						char *cp = (char *) realloc (*strptr, str - *strptr);
						if (cp != NULL)
							*strptr = cp;
					}
					strptr = NULL;

					++done;
				}
				break;
			}
			/* FALLTHROUGH */

		case L_('S'):
		{
#ifndef COMPILE_WSCANF
			mbstate_t cstate;
#endif

			/* Wide character string.  */
			STRING_ARG (wstr, wchar_t, 100);

			c = inchar ();
			if (__builtin_expect (c == EOF,  0))
				input_error ();

#ifndef COMPILE_WSCANF
			memset (&cstate, '\0', sizeof (cstate));
#endif

			do
			{
				if (ISSPACE (c))
				{
					myungetc_not_eof (c, s);
					break;
				}

#ifdef COMPILE_WSCANF
				/* This is easy.  */
				if (!(flags & SUPPRESS))
				{
					*wstr++ = c;
					if ((flags & MALLOC)
						&& wstr == (wchar_t *) *strptr + strsize)
					{
						/* Enlarge the buffer.  */
						wstr = (wchar_t *) realloc (*strptr,
													(2 * strsize)
													* sizeof (wchar_t));
						if (wstr == NULL)
						{
							/* Can't allocate that much.  Last-ditch
							   effort.  */
							wstr = (wchar_t *) realloc (*strptr,
														(strsize + 1)
														* sizeof (wchar_t));
							if (wstr == NULL)
							{
								if (flags & POSIX_MALLOC)
								{
									done = EOF;
									goto errout;
								}
								/* We lose.  Oh well.  Terminate the string
								   and stop converting, so at least we don't
								   skip any input.  */
								((wchar_t *) (*strptr))[strsize - 1] = L'\0';
								strptr = NULL;
								++done;
								conv_error ();
							}
							else
							{
								*strptr = (char *) wstr;
								wstr += strsize;
								++strsize;
							}
						}
						else
						{
							*strptr = (char *) wstr;
							wstr += strsize;
							strsize *= 2;
						}
					}
				}
#else
				{
					char buf[1];

					buf[0] = c;

					while (1)
					{
						size_t n;

						n = mbrtowc (!(flags & SUPPRESS) ? wstr : NULL,
									   buf, 1, &cstate);

						if (n == (size_t) -2)
						{
							/* Possibly correct character, just not enough
							   input.  */
							if (__builtin_expect (inchar () == EOF, 0))
								encode_error ();

							buf[0] = c;
							continue;
						}

						if (__builtin_expect (n != 1, 0))
							encode_error ();

						/* We have a match.  */
						++wstr;
						break;
					}

					if (!(flags & SUPPRESS) && (flags & MALLOC)
						&& wstr == (wchar_t *) *strptr + strsize)
					{
						/* Enlarge the buffer.  */
						wstr = (wchar_t *) realloc (*strptr,
													(2 * strsize
													 * sizeof (wchar_t)));
						if (wstr == NULL)
						{
							/* Can't allocate that much.  Last-ditch effort.  */
							wstr = (wchar_t *) realloc (*strptr,
														((strsize + 1)
														 * sizeof (wchar_t)));
							if (wstr == NULL)
							{
								if (flags & POSIX_MALLOC)
								{
									done = EOF;
									goto errout;
								}
								/* We lose.  Oh well.  Terminate the
								   string and stop converting, so at
								   least we don't skip any input.  */
								((wchar_t *) (*strptr))[strsize - 1] = L'\0';
								strptr = NULL;
								++done;
								conv_error ();
							}
							else
							{
								*strptr = (char *) wstr;
								wstr += strsize;
								++strsize;
							}
						}
						else
						{
							*strptr = (char *) wstr;
							wstr += strsize;
							strsize *= 2;
						}
					}
				}
#endif
			}
			while ((width <= 0 || --width > 0) && inchar () != EOF);

			if (!(flags & SUPPRESS))
			{
				*wstr++ = L'\0';

				if ((flags & MALLOC) && wstr - (wchar_t *) *strptr != strsize)
				{
					wchar_t *cp = (wchar_t *) realloc (*strptr,
													   ((wstr
														 - (wchar_t *) *strptr)
														* sizeof(wchar_t)));
					if (cp != NULL)
						*strptr = (char *) cp;
				}
				strptr = NULL;

				++done;
			}
		}
		break;

		case L_('x'):	/* Hexadecimal integer.  */
		case L_('X'):	/* Ditto.  */
			base = 16;
			goto number;

		case L_('o'):	/* Octal integer.  */
			base = 8;
			goto number;

		case L_('u'):	/* Unsigned decimal integer.  */
			base = 10;
			goto number;

		case L_('d'):	/* Signed decimal integer.  */
			base = 10;
			flags |= NUMBER_SIGNED;
			goto number;

		case L_('i'):	/* Generic number.  */
			base = 0;
			flags |= NUMBER_SIGNED;

		number:
			c = inchar ();
			if (__builtin_expect (c == EOF, 0))
				input_error ();

			/* Check for a sign.  */
			if (c == L_('-') || c == L_('+'))
			{
				ADDW (c);
				if (width > 0)
					--width;
				c = inchar ();
			}

			/* Look for a leading indication of base.  */
			if (width != 0 && c == L_('0'))
			{
				if (width > 0)
					--width;

				ADDW (c);
				c = inchar ();

				if (width != 0 && TOLOWER (c) == L_('x'))
				{
					if (base == 0)
						base = 16;
					if (base == 16)
					{
						if (width > 0)
							--width;
						c = inchar ();
					}
				}
				else if (base == 0)
					base = 8;
			}

			if (base == 0)
				base = 10;

			if (base == 10 && __builtin_expect ((flags & I18N) != 0, 0))
			{
				int from_level;
				int to_level;
				int level;
#ifdef COMPILE_WSCANF
				const wchar_t *wcdigits[10];
				const wchar_t *wcdigits_extended[10];
#else
				const char *mbdigits[10];
				const char *mbdigits_extended[10];
#endif
				/*  "to_inpunct" is a map from ASCII digits to their
					equivalent in locale. This is defined for locales
					which use an extra digits set.  */
				wctrans_t map = wctrans ("to_inpunct");
				int n;

				from_level = 0;
#ifdef COMPILE_WSCANF
				to_level = _NL_CURRENT_WORD (LC_CTYPE,
											 _NL_CTYPE_INDIGITS_WC_LEN) - 1;
#else
//				to_level = (uint32_t) curctype->values[_NL_ITEM_INDEX (_NL_CTYPE_INDIGITS_MB_LEN)].word - 1;
#endif

				/* Get the alternative digit forms if there are any.  */
				if (__builtin_expect (map != NULL, 0))
				{
					/*  Adding new level for extra digits set in locale file.  */
					++to_level;

					for (n = 0; n < 10; ++n)
					{
#ifdef COMPILE_WSCANF
						wcdigits[n] = (const wchar_t *)
							_NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_WC + n);

						wchar_t *wc_extended = (wchar_t *)
							alloca ((to_level + 2) * sizeof (wchar_t));
						wmemcpy (wc_extended, wcdigits[n], to_level);
						wc_extended[to_level] = towctrans (L'0' + n, map);
						wc_extended[to_level + 1] = '\0';
						wcdigits_extended[n] = wc_extended;
#else
//						mbdigits[n]
//							= curctype->values[_NL_CTYPE_INDIGITS0_MB + n].string;

						/*  Get the equivalent wide char in map.  */
						wint_t extra_wcdigit = towctrans (L'0' + n, map);

						/*  Convert it to multibyte representation.  */
						mbstate_t state;
						memset (&state, '\0', sizeof (state));

						char extra_mbdigit[MB_LEN_MAX];
						size_t mblen
							= wcrtomb (extra_mbdigit, extra_wcdigit, &state);

						if (mblen == (size_t) -1)
						{
							/*  Ignore this new level.  */
							map = NULL;
							break;
						}

						/*  Calculate the length of mbdigits[n].  */
						const char *last_char = mbdigits[n];
						for (level = 0; level < to_level; ++level)
							last_char = strchr (last_char, '\0') + 1;

						size_t mbdigits_len = last_char - mbdigits[n];

						/*  Allocate memory for extended multibyte digit.  */
						char *mb_extended;
						mb_extended = (char *) alloca (mbdigits_len + mblen + 1);

						/*  And get the mbdigits + extra_digit string.  */
						*(char *) memcpy (memcpy (mb_extended, mbdigits[n],
														mbdigits_len),
											 extra_mbdigit, mblen) = '\0';
						mbdigits_extended[n] = mb_extended;
#endif
					}
				}

				/* Read the number into workspace.  */
				while (c != EOF && width != 0)
				{
					/* In this round we get the pointer to the digit strings
					   and also perform the first round of comparisons.  */
					for (n = 0; n < 10; ++n)
					{
						/* Get the string for the digits with value N.  */
#ifdef COMPILE_WSCANF
						if (__builtin_expect (map != NULL, 0))
							wcdigits[n] = wcdigits_extended[n];
						else
							wcdigits[n] = (const wchar_t *)
								_NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_WC + n);
						wcdigits[n] += from_level;

						if (c == (wint_t) *wcdigits[n])
						{
							to_level = from_level;
							break;
						}

						/* Advance the pointer to the next string.  */
						++wcdigits[n];
#else
						const char *cmpp;
						int avail = width > 0 ? width : INT_MAX;

						if (__builtin_expect (map != NULL, 0))
							mbdigits[n] = mbdigits_extended[n];
						else
//							mbdigits[n]
//								= curctype->values[_NL_CTYPE_INDIGITS0_MB + n].string;

						for (level = 0; level < from_level; level++)
							mbdigits[n] = strchr (mbdigits[n], '\0') + 1;

						cmpp = mbdigits[n];
						while ((unsigned char) *cmpp == c && avail >= 0)
						{
							if (*++cmpp == '\0')
								break;
							else
							{
								if (avail == 0 || inchar () == EOF)
									break;
								--avail;
							}
						}

						if (*cmpp == '\0')
						{
							if (width > 0)
								width = avail;
							to_level = from_level;
							break;
						}

						/* We are pushing all read characters back.  */
						if (cmpp > mbdigits[n])
						{
							myungetc (c, s);
							while (--cmpp > mbdigits[n])
								myungetc_not_eof ((unsigned char) *cmpp, s);
							c = (unsigned char) *cmpp;
						}

						/* Advance the pointer to the next string.  */
						mbdigits[n] = strchr (mbdigits[n], '\0') + 1;
#endif
					}

					if (n == 10)
					{
						/* Have not yet found the digit.  */
						for (level = from_level + 1; level <= to_level; ++level)
						{
							/* Search all ten digits of this level.  */
							for (n = 0; n < 10; ++n)
							{
#ifdef COMPILE_WSCANF
								if (c == (wint_t) *wcdigits[n])
									break;

								/* Advance the pointer to the next string.  */
								++wcdigits[n];
#else
								const char *cmpp;
								int avail = width > 0 ? width : INT_MAX;

								cmpp = mbdigits[n];
								while ((unsigned char) *cmpp == c && avail >= 0)
								{
									if (*++cmpp == '\0')
										break;
									else
									{
										if (avail == 0 || inchar () == EOF)
											break;
										--avail;
									}
								}

								if (*cmpp == '\0')
								{
									if (width > 0)
										width = avail;
									break;
								}

								/* We are pushing all read characters back.  */
								if (cmpp > mbdigits[n])
								{
									myungetc (c, s);
									while (--cmpp > mbdigits[n])
										myungetc_not_eof ((unsigned char) *cmpp, s);
									c = (unsigned char) *cmpp;
								}

								/* Advance the pointer to the next string.  */
								mbdigits[n] = strchr (mbdigits[n], '\0') + 1;
#endif
							}

							if (n < 10)
							{
								/* Found it.  */
								from_level = level;
								to_level = level;
								break;
							}
						}
					}

					if (n < 10)
						c = L_('0') + n;
					else if (flags & GROUP)
					{
						/* Try matching against the thousands separator.  */
#ifdef COMPILE_WSCANF
						if (c != thousands)
							break;
#else
						const char *cmpp = thousands;
						int avail = width > 0 ? width : INT_MAX;

						while ((unsigned char) *cmpp == c && avail >= 0)
						{
							ADDW (c);
							if (*++cmpp == '\0')
								break;
							else
							{
								if (avail == 0 || inchar () == EOF)
									break;
								--avail;
							}
						}

						if (*cmpp != '\0')
						{
							/* We are pushing all read characters back.  */
							if (cmpp > thousands)
							{
								wpsize -= cmpp - thousands;
								myungetc (c, s);
								while (--cmpp > thousands)
									myungetc_not_eof ((unsigned char) *cmpp, s);
								c = (unsigned char) *cmpp;
							}
							break;
						}

						if (width > 0)
							width = avail;

						/* The last thousands character will be added back by
						   the ADDW below.  */
						--wpsize;
#endif
					}
					else
						break;

					ADDW (c);
					if (width > 0)
						--width;

					c = inchar ();
				}
			}
			else
				/* Read the number into workspace.  */
				while (c != EOF && width != 0)
				{
					if (base == 16)
					{
						if (!ISXDIGIT (c))
							break;
					}
					else if (!ISDIGIT (c) || (int) (c - L_('0')) >= base)
					{
						if (base == 10 && (flags & GROUP))
						{
							/* Try matching against the thousands separator.  */
#ifdef COMPILE_WSCANF
							if (c != thousands)
								break;
#else
							const char *cmpp = thousands;
							int avail = width > 0 ? width : INT_MAX;

							while ((unsigned char) *cmpp == c && avail >= 0)
							{
								ADDW (c);
								if (*++cmpp == '\0')
									break;
								else
								{
									if (avail == 0 || inchar () == EOF)
										break;
									--avail;
								}
							}

							if (*cmpp != '\0')
							{
								/* We are pushing all read characters back.  */
								if (cmpp > thousands)
								{
									wpsize -= cmpp - thousands;
									myungetc (c, s);
									while (--cmpp > thousands)
										myungetc_not_eof ((unsigned char) *cmpp, s);
									c = (unsigned char) *cmpp;
								}
								break;
							}

							if (width > 0)
								width = avail;

							/* The last thousands character will be added back by
							   the ADDW below.  */
							--wpsize;
#endif
						}
						else
							break;
					}
					ADDW (c);
					if (width > 0)
						--width;

					c = inchar ();
				}

			if (wpsize == 0
				|| (wpsize == 1 && (wp[0] == L_('+') || wp[0] == L_('-'))))
			{
				/* There was no number.  If we are supposed to read a pointer
				   we must recognize "(nil)" as well.  */
				if (__builtin_expect (wpsize == 0
									  && (flags & READ_POINTER)
									  && (width < 0 || width >= 0)
									  && c == '('
									  && TOLOWER (inchar ()) == L_('n')
									  && TOLOWER (inchar ()) == L_('i')
									  && TOLOWER (inchar ()) == L_('l')
									  && inchar () == L_(')'), 1))
					/* We must produce the value of a NULL pointer.  A single
					   '0' digit is enough.  */
					ADDW (L_('0'));
				else
				{
					/* The last read character is not part of the number
					   anymore.  */
					myungetc (c, s);

					conv_error ();
				}
			}
			else
				/* The just read character is not part of the number anymore.  */
				myungetc (c, s);

			/* Convert the number.  */
			ADDW (L_('\0'));
			if (need_longlong && (flags & LONGDBL))
			{
				if (flags & NUMBER_SIGNED)
					num.q = __strtoll_internal (wp, &tw, base, flags & GROUP);
				else
					num.uq = __strtoull_internal (wp, &tw, base, flags & GROUP);
			}
			else
			{
				if (flags & NUMBER_SIGNED)
					num.l = __strtol_internal (wp, &tw, base, flags & GROUP);
				else
					num.ul = __strtoul_internal (wp, &tw, base, flags & GROUP);
			}
			if (__builtin_expect (wp == tw, 0))
				conv_error ();

			if (!(flags & SUPPRESS))
			{
				if (flags & NUMBER_SIGNED)
				{
					if (need_longlong && (flags & LONGDBL))
						*ARG (LONGLONG int *) = num.q;
					else if (need_long && (flags & LONG))
						*ARG (long int *) = num.l;
					else if (flags & SHORT)
						*ARG (short int *) = (short int) num.l;
					else if (!(flags & CHAR))
						*ARG (int *) = (int) num.l;
					else
						*ARG (signed char *) = (signed char) num.ul;
				}
				else
				{
					if (need_longlong && (flags & LONGDBL))
						*ARG (unsigned LONGLONG int *) = num.uq;
					else if (need_long && (flags & LONG))
						*ARG (unsigned long int *) = num.ul;
					else if (flags & SHORT)
						*ARG (unsigned short int *)
							= (unsigned short int) num.ul;
					else if (!(flags & CHAR))
						*ARG (unsigned int *) = (unsigned int) num.ul;
					else
						*ARG (unsigned char *) = (unsigned char) num.ul;
				}
				++done;
			}
			break;

		case L_('e'):	/* Floating-point numbers.  */
		case L_('E'):
		case L_('f'):
		case L_('F'):
		case L_('g'):
		case L_('G'):
		case L_('a'):
		case L_('A'):
			c = inchar ();
			if (width > 0)
				--width;
			if (__builtin_expect (c == EOF, 0))
				input_error ();

			got_dot = got_e = 0;

			/* Check for a sign.  */
			if (c == L_('-') || c == L_('+'))
			{
				negative = c == L_('-');
				if (__builtin_expect (width == 0 || inchar () == EOF, 0))
					/* EOF is only an input error before we read any chars.  */
					conv_error ();
				if (width > 0)
					--width;
			}
			else
				negative = 0;

			/* Take care for the special arguments "nan" and "inf".  */
			if (TOLOWER (c) == L_('n'))
			{
				/* Maybe "nan".  */
				ADDW (c);
				if (__builtin_expect (width == 0
									  || inchar () == EOF
									  || TOLOWER (c) != L_('a'), 0))
					conv_error ();
				if (width > 0)
					--width;
				ADDW (c);
				if (__builtin_expect (width == 0
									  || inchar () == EOF
									  || TOLOWER (c) != L_('n'), 0))
					conv_error ();
				if (width > 0)
					--width;
				ADDW (c);
				/* It is "nan".  */
				goto scan_float;
			}
			else if (TOLOWER (c) == L_('i'))
			{
				/* Maybe "inf" or "infinity".  */
				ADDW (c);
				if (__builtin_expect (width == 0
									  || inchar () == EOF
									  || TOLOWER (c) != L_('n'), 0))
					conv_error ();
				if (width > 0)
					--width;
				ADDW (c);
				if (__builtin_expect (width == 0
									  || inchar () == EOF
									  || TOLOWER (c) != L_('f'), 0))
					conv_error ();
				if (width > 0)
					--width;
				ADDW (c);
				/* It is as least "inf".  */
				if (width != 0 && inchar () != EOF)
				{
					if (TOLOWER (c) == L_('i'))
					{
						if (width > 0)
							--width;
						/* Now we have to read the rest as well.  */
						ADDW (c);
						if (__builtin_expect (width == 0
											  || inchar () == EOF
											  || TOLOWER (c) != L_('n'), 0))
							conv_error ();
						if (width > 0)
							--width;
						ADDW (c);
						if (__builtin_expect (width == 0
											  || inchar () == EOF
											  || TOLOWER (c) != L_('i'), 0))
							conv_error ();
						if (width > 0)
							--width;
						ADDW (c);
						if (__builtin_expect (width == 0
											  || inchar () == EOF
											  || TOLOWER (c) != L_('t'), 0))
							conv_error ();
						if (width > 0)
							--width;
						ADDW (c);
						if (__builtin_expect (width == 0
											  || inchar () == EOF
											  || TOLOWER (c) != L_('y'), 0))
							conv_error ();
						if (width > 0)
							--width;
						ADDW (c);
					}
					else
						/* Never mind.  */
						myungetc (c, s);
				}
				goto scan_float;
			}

			exp_char = L_('e');
			if (width != 0 && c == L_('0'))
			{
				ADDW (c);
				c = inchar ();
				if (width > 0)
					--width;
				if (width != 0 && TOLOWER (c) == L_('x'))
				{
					/* It is a number in hexadecimal format.  */
					ADDW (c);

					flags |= HEXA_FLOAT;
					exp_char = L_('p');

					/* Grouping is not allowed.  */
					flags &= ~GROUP;
					c = inchar ();
					if (width > 0)
						--width;
				}
			}

			while (1)
			{
				if (ISDIGIT (c))
					ADDW (c);
				else if (!got_e && (flags & HEXA_FLOAT) && ISXDIGIT (c))
					ADDW (c);
				else if (got_e && wp[wpsize - 1] == exp_char
						 && (c == L_('-') || c == L_('+')))
					ADDW (c);
				else if (wpsize > 0 && !got_e
						 && (CHAR_T) TOLOWER (c) == exp_char)
				{
					ADDW (exp_char);
					got_e = got_dot = 1;
				}
				else
				{
#ifdef COMPILE_WSCANF
					if (! got_dot && c == decimal)
					{
						ADDW (c);
						got_dot = 1;
					}
					else if ((flags & GROUP) != 0 && ! got_dot && c == thousands)
						ADDW (c);
					else
					{
						/* The last read character is not part of the number
						   anymore.  */
						myungetc (c, s);
						break;
					}
#else
					const char *cmpp = decimal;
					int avail = width > 0 ? width : INT_MAX;

					if (! got_dot)
					{
						while ((unsigned char) *cmpp == c && avail >= 0)
							if (*++cmpp == '\0')
								break;
							else
							{
								if (avail == 0 || inchar () == EOF)
									break;
								--avail;
							}
					}

					if (*cmpp == '\0')
					{
						/* Add all the characters.  */
						for (cmpp = decimal; *cmpp != '\0'; ++cmpp)
							ADDW ((unsigned char) *cmpp);
						if (width > 0)
							width = avail;
						got_dot = 1;
					}
					else
					{
						/* Figure out whether it is a thousands separator.
						   There is one problem: we possibly read more than
						   one character.  We cannot push them back but since
						   we know that parts of the `decimal' string matched,
						   we can compare against it.  */
						const char *cmp2p = thousands;

						if ((flags & GROUP) != 0 && ! got_dot)
						{
							while (cmp2p - thousands < cmpp - decimal
								   && *cmp2p == decimal[cmp2p - thousands])
								++cmp2p;
							if (cmp2p - thousands == cmpp - decimal)
							{
								while ((unsigned char) *cmp2p == c && avail >= 0)
									if (*++cmp2p == '\0')
										break;
									else
									{
										if (avail == 0 || inchar () == EOF)
											break;
										--avail;
									}
							}
						}

						if (cmp2p != NULL && *cmp2p == '\0')
						{
							/* Add all the characters.  */
							for (cmpp = thousands; *cmpp != '\0'; ++cmpp)
								ADDW ((unsigned char) *cmpp);
							if (width > 0)
								width = avail;
						}
						else
						{
							/* The last read character is not part of the number
							   anymore.  */
							myungetc (c, s);
							break;
						}
					}
#endif
				}

				if (width == 0 || inchar () == EOF)
					break;

				if (width > 0)
					--width;
			}

			wctrans_t map;
			if (__builtin_expect ((flags & I18N) != 0, 0)
				/* Hexadecimal floats make no sense, fixing localized
				   digits with ASCII letters.  */
				&& !(flags & HEXA_FLOAT)
				/* Minimum requirement.  */
				&& (wpsize == 0 || got_dot)
				&& (map = wctrans ("to_inpunct")) != NULL)
			{
				/* Reget the first character.  */
				inchar ();

				/* Localized digits, decimal points, and thousands
				   separator.  */
				wint_t wcdigits[12];

				/* First get decimal equivalent to check if we read it
				   or not.  */
				wcdigits[11] = towctrans (L'.', map);

				/* If we have not read any character or have just read
				   locale decimal point which matches the decimal point
				   for localized FP numbers, then we may have localized
				   digits.  Note, we test GOT_DOT above.  */
#ifdef COMPILE_WSCANF
				if (wpsize == 0 || (wpsize == 1 && wcdigits[11] == decimal))
#else
					char mbdigits[12][MB_LEN_MAX + 1];

				mbstate_t state;
				memset (&state, '\0', sizeof (state));

				int match_so_far = wpsize == 0;
				size_t mblen = wcrtomb (mbdigits[11], wcdigits[11], &state);
				if (mblen != (size_t) -1)
				{
					mbdigits[11][mblen] = '\0';
					match_so_far |= (wpsize == strlen (decimal)
									 && strcmp (decimal, mbdigits[11]) == 0);
				}
				else
				{
					size_t decimal_len = strlen (decimal);
					/* This should always be the case but the data comes
					   from a file.  */
					if (decimal_len <= MB_LEN_MAX)
					{
						match_so_far |= wpsize == decimal_len;
						memcpy (mbdigits[11], decimal, decimal_len + 1);
					}
					else
						match_so_far = 0;
				}

				if (match_so_far)
#endif
				{
					int have_locthousands = (flags & GROUP) != 0;
					int n;

					/* Now get the digits and the thousands-sep equivalents.  */
					for (n = 0; n < 11; ++n)
					{
						if (n < 10)
							wcdigits[n] = towctrans (L'0' + n, map);
						else if (n == 10)
						{
							wcdigits[10] = towctrans (L',', map);
							have_locthousands &= wcdigits[10] != L'\0';
						}

#ifndef COMPILE_WSCANF
						memset (&state, '\0', sizeof (state));

						size_t mblen = wcrtomb (mbdigits[n], wcdigits[n],
												  &state);
						if (mblen == (size_t) -1)
						{
							if (n == 10)
							{
								if (have_locthousands)
								{
									size_t thousands_len = strlen (thousands);
									if (thousands_len <= MB_LEN_MAX)
										memcpy (mbdigits[10], thousands,
												thousands_len + 1);
									else
										have_locthousands = 0;
								}
							}
							else
								/* Ignore checking against localized digits.  */
								goto no_i18nflt;
						}
						else
							mbdigits[n][mblen] = '\0';
#endif
					}

					/* Start checking against localized digits, if
					   convertion is done correctly. */
					while (1)
					{
						if (got_e && wp[wpsize - 1] == exp_char
							&& (c == L_('-') || c == L_('+')))
							ADDW (c);
						else if (wpsize > 0 && !got_e
								 && (CHAR_T) TOLOWER (c) == exp_char)
						{
							ADDW (exp_char);
							got_e = got_dot = 1;
						}
						else
						{
							/* Check against localized digits, decimal point,
							   and thousands separator.  */
							int n;
							for (n = 0; n < 12; ++n)
							{
#ifdef COMPILE_WSCANF
								if (c == wcdigits[n])
								{
									if (n < 10)
										ADDW (L_('0') + n);
									else if (n == 11 && !got_dot)
									{
										ADDW (decimal);
										got_dot = 1;
									}
									else if (n == 10 && have_locthousands
											 && ! got_dot)
										ADDW (thousands);
									else
										/* The last read character is not part
										   of the number anymore.  */
										n = 12;

									break;
								}
#else
								const char *cmpp = mbdigits[n];
								int avail = width > 0 ? width : INT_MAX;

								while ((unsigned char) *cmpp == c && avail >= 0)
									if (*++cmpp == '\0')
										break;
									else
									{
										if (avail == 0 || inchar () == EOF)
											break;
										--avail;
									}
								if (*cmpp == '\0')
								{
									if (width > 0)
										width = avail;

									if (n < 10)
										ADDW (L_('0') + n);
									else if (n == 11 && !got_dot)
									{
										/* Add all the characters.  */
										for (cmpp = decimal; *cmpp != '\0';
											 ++cmpp)
											ADDW ((unsigned char) *cmpp);

										got_dot = 1;
									}
									else if (n == 10 && (flags & GROUP) != 0
											 && ! got_dot)
									{
										/* Add all the characters.  */
										for (cmpp = thousands; *cmpp != '\0';
											 ++cmpp)
											ADDW ((unsigned char) *cmpp);
									}
									else
										/* The last read character is not part
										   of the number anymore.  */
										n = 12;

									break;
								}

								/* We are pushing all read characters back.  */
								if (cmpp > mbdigits[n])
								{
									myungetc (c, s);
									while (--cmpp > mbdigits[n])
										myungetc_not_eof ((unsigned char) *cmpp, s);
									c = (unsigned char) *cmpp;
								}
#endif
							}

							if (n >= 12)
							{
								/* The last read character is not part
								   of the number anymore.  */
								myungetc (c, s);
								break;
							}
						}

						if (width == 0 || inchar () == EOF)
							break;

						if (width > 0)
							--width;
					}
				}

#ifndef COMPILE_WSCANF
			no_i18nflt:
				;
#endif
			}

			/* Have we read any character?  If we try to read a number
			   in hexadecimal notation and we have read only the `0x'
			   prefix this is an error.  */
			if (__builtin_expect (wpsize == 0
								  || ((flags & HEXA_FLOAT) && wpsize == 2), 0))
				conv_error ();

		scan_float:
			/* Convert the number.  */
			ADDW (L_('\0'));
			if ((flags & LONGDBL))// && !__ldbl_is_dbl)
			{
				long double d = __strtold_internal (wp, &tw, flags & GROUP);
				if (!(flags & SUPPRESS) && tw != wp)
					*ARG (long double *) = negative ? -d : d;
			}
			else if (flags & (LONG | LONGDBL))
			{
				double d = __strtod_internal (wp, &tw, flags & GROUP);
				if (!(flags & SUPPRESS) && tw != wp)
					*ARG (double *) = negative ? -d : d;
			}
			else
			{
				float d = __strtof_internal (wp, &tw, flags & GROUP);
				if (!(flags & SUPPRESS) && tw != wp)
					*ARG (float *) = negative ? -d : d;
			}

			if (__builtin_expect (tw == wp, 0))
				conv_error ();

			if (!(flags & SUPPRESS))
				++done;
			break;

		case L_('['):	/* Character class.  */
			/* if (flags & LONG) */
			/* 	STRING_ARG (wstr, wchar_t, 100); */
			/* else */
			/* 	STRING_ARG (str, char, 100); */

			if (!(flags & SUPPRESS))
			{
				str = ARG (char*);
				str_sz = ARG(size_t);
				if (str_sz>0) str_sz--;
			}

			if (*f == L_('^'))
			{
				++f;
				not_in = 1;
			}
			else
				not_in = 0;

			if (width < 0)
				/* There is no width given so there is also no limit on the
				   number of characters we read.  Therefore we set width to
				   a very high value to make the algorithm easier.  */
				width = INT_MAX;

#ifdef COMPILE_WSCANF
			/* Find the beginning and the end of the scanlist.  We are not
			   creating a lookup table since it would have to be too large.
			   Instead we search each time through the string.  This is not
			   a constant lookup time but who uses this feature deserves to
			   be punished.  */
			tw = (wchar_t *) f;	/* Marks the beginning.  */

			if (*f == L']')
				++f;

			while ((fc = *f++) != L'\0' && fc != L']');

			if (__builtin_expect (fc == L'\0', 0))
				conv_error ();
			wchar_t *twend = (wchar_t *) f - 1;
#else
			/* Fill WP with byte flags indexed by character.
			   We will use this flag map for matching input characters.  */
			if (wpmax < UCHAR_MAX + 1)
			{
				wpmax = UCHAR_MAX + 1;
				wp = (char *) alloca (wpmax);
			}
			memset (wp, '\0', UCHAR_MAX + 1);

			fc = *f;
			if (fc == ']' || fc == '-')
			{
				/* If ] or - appears before any char in the set, it is not
				   the terminator or separator, but the first char in the
				   set.  */
				wp[fc] = 1;
				++f;
			}

			while ((fc = *f++) != '\0' && fc != ']')
				if (fc == '-' && *f != '\0' && *f != ']'
					&& (unsigned char) f[-2] <= (unsigned char) *f)
				{
					/* Add all characters from the one before the '-'
					   up to (but not including) the next format char.  */
					for (fc = (unsigned char) f[-2]; fc < (unsigned char) *f; ++fc)
						wp[fc] = 1;
				}
				else
					/* Add the character to the flag map.  */
					wp[fc] = 1;

			if (__builtin_expect (fc == '\0', 0))
				conv_error();
#endif

			if (flags & LONG)
			{
				size_t now = read_in;
#ifdef COMPILE_WSCANF
				if (__builtin_expect (inchar () == WEOF, 0))
					input_error ();

				do
				{
					wchar_t *runp;

					/* Test whether it's in the scanlist.  */
					runp = tw;
					while (runp < twend)
					{
						if (runp[0] == L'-' && runp[1] != '\0'
							&& runp + 1 != twend
							&& runp != tw
							&& (unsigned int) runp[-1] <= (unsigned int) runp[1])
						{
							/* Match against all characters in between the
							   first and last character of the sequence.  */
							wchar_t wc;

							for (wc = runp[-1] + 1; wc <= runp[1]; ++wc)
								if ((wint_t) wc == c)
									break;

							if (wc <= runp[1] && !not_in)
								break;
							if (wc <= runp[1] && not_in)
							{
								/* The current character is not in the
								   scanset.  */
								myungetc (c, s);
								goto out;
							}

							runp += 2;
						}
						else
						{
							if ((wint_t) *runp == c && !not_in)
								break;
							if ((wint_t) *runp == c && not_in)
							{
								myungetc (c, s);
								goto out;
							}

							++runp;
						}
					}

					if (runp == twend && !not_in)
					{
						myungetc (c, s);
						goto out;
					}

					if (!(flags & SUPPRESS))
					{
						*wstr++ = c;

						if ((flags & MALLOC)
							&& wstr == (wchar_t *) *strptr + strsize)
						{
							/* Enlarge the buffer.  */
							wstr = (wchar_t *) realloc (*strptr,
														(2 * strsize)
														* sizeof (wchar_t));
							if (wstr == NULL)
							{
								/* Can't allocate that much.  Last-ditch
								   effort.  */
								wstr = (wchar_t *)
									realloc (*strptr, (strsize + 1)
											 * sizeof (wchar_t));
								if (wstr == NULL)
								{
									if (flags & POSIX_MALLOC)
									{
										done = EOF;
										goto errout;
									}
									/* We lose.  Oh well.  Terminate the string
									   and stop converting, so at least we don't
									   skip any input.  */
									((wchar_t *) (*strptr))[strsize - 1] = L'\0';
									strptr = NULL;
									++done;
									conv_error ();
								}
								else
								{
									*strptr = (char *) wstr;
									wstr += strsize;
									++strsize;
								}
							}
							else
							{
								*strptr = (char *) wstr;
								wstr += strsize;
								strsize *= 2;
							}
						}
					}
				}
				while (--width > 0 && inchar () != WEOF);
			out:
#else
				char buf[MB_LEN_MAX];
				size_t cnt = 0;
				mbstate_t cstate;

				if (__builtin_expect (inchar () == EOF, 0))
					input_error ();

				memset (&cstate, '\0', sizeof (cstate));

				do
				{
					if (wp[c] == not_in)
					{
						myungetc_not_eof (c, s);
						break;
					}

					/* This is easy.  */
					if (!(flags & SUPPRESS))
					{
						size_t n;

						/* Convert it into a wide character.  */
						buf[0] = c;
						n = mbrtowc (wstr, buf, 1, &cstate);

						if (n == (size_t) -2)
						{
							/* Possibly correct character, just not enough
							   input.  */
							++cnt;
							assert (cnt < MB_CUR_MAX);
							continue;
						}
						cnt = 0;

						++wstr;
						if ((flags & MALLOC)
							&& wstr == (wchar_t *) *strptr + strsize)
						{
							/* Enlarge the buffer.  */
							wstr = (wchar_t *) realloc (*strptr,
														(2 * strsize
														 * sizeof (wchar_t)));
							if (wstr == NULL)
							{
								/* Can't allocate that much.  Last-ditch
								   effort.  */
								wstr = (wchar_t *)
									realloc (*strptr, ((strsize + 1)
													   * sizeof (wchar_t)));
								if (wstr == NULL)
								{
									if (flags & POSIX_MALLOC)
									{
										done = EOF;
										goto errout;
									}
									/* We lose.  Oh well.  Terminate the
									   string and stop converting,
									   so at least we don't skip any input.  */
									((wchar_t *) (*strptr))[strsize - 1] = L'\0';
									strptr = NULL;
									++done;
									conv_error ();
								}
								else
								{
									*strptr = (char *) wstr;
									wstr += strsize;
									++strsize;
								}
							}
							else
							{
								*strptr = (char *) wstr;
								wstr += strsize;
								strsize *= 2;
							}
						}
					}

					if (--width <= 0)
						break;
				}
				while (inchar () != EOF);

				if (__builtin_expect (cnt != 0, 0))
					/* We stopped in the middle of recognizing another
					   character.  That's a problem.  */
					encode_error ();
#endif

				if (__builtin_expect (now == read_in, 0))
					/* We haven't succesfully read any character.  */
					conv_error ();

				if (!(flags & SUPPRESS))
				{
					*wstr++ = L'\0';

					if ((flags & MALLOC)
						&& wstr - (wchar_t *) *strptr != strsize)
					{
						wchar_t *cp = (wchar_t *)
							realloc (*strptr, ((wstr - (wchar_t *) *strptr)
											   * sizeof(wchar_t)));
						if (cp != NULL)
							*strptr = (char *) cp;
					}
					strptr = NULL;

					++done;
				}
			}
			else
			{
				size_t now = read_in;

				if (__builtin_expect (inchar () == EOF, 0))
					input_error ();

#ifdef COMPILE_WSCANF

				memset (&state, '\0', sizeof (state));

				do
				{
					wchar_t *runp;
					size_t n;

					/* Test whether it's in the scanlist.  */
					runp = tw;
					while (runp < twend)
					{
						if (runp[0] == L'-' && runp[1] != '\0'
							&& runp + 1 != twend
							&& runp != tw
							&& (unsigned int) runp[-1] <= (unsigned int) runp[1])
						{
							/* Match against all characters in between the
							   first and last character of the sequence.  */
							wchar_t wc;

							for (wc = runp[-1] + 1; wc <= runp[1]; ++wc)
								if ((wint_t) wc == c)
									break;

							if (wc <= runp[1] && !not_in)
								break;
							if (wc <= runp[1] && not_in)
							{
								/* The current character is not in the
								   scanset.  */
								myungetc (c, s);
								goto out2;
							}

							runp += 2;
						}
						else
						{
							if ((wint_t) *runp == c && !not_in)
								break;
							if ((wint_t) *runp == c && not_in)
							{
								myungetc (c, s);
								goto out2;
							}

							++runp;
						}
					}

					if (runp == twend && !not_in)
					{
						myungetc (c, s);
						goto out2;
					}

					if (!(flags & SUPPRESS))
					{
						if ((flags & MALLOC)
							&& str + MB_CUR_MAX >= *strptr + strsize)
						{
							/* Enlarge the buffer.  */
							size_t strleng = str - *strptr;
							char *newstr;

							newstr = (char *) realloc (*strptr, 2 * strsize);
							if (newstr == NULL)
							{
								/* Can't allocate that much.  Last-ditch
								   effort.  */
								newstr = (char *) realloc (*strptr,
														   strleng + MB_CUR_MAX);
								if (newstr == NULL)
								{
									if (flags & POSIX_MALLOC)
									{
										done = EOF;
										goto errout;
									}
									/* We lose.  Oh well.  Terminate the string
									   and stop converting, so at least we don't
									   skip any input.  */
									((char *) (*strptr))[strleng] = '\0';
									strptr = NULL;
									++done;
									conv_error ();
								}
								else
								{
									*strptr = newstr;
									str = newstr + strleng;
									strsize = strleng + MB_CUR_MAX;
								}
							}
							else
							{
								*strptr = newstr;
								str = newstr + strleng;
								strsize *= 2;
							}
						}
					}

					n = wcrtomb (!(flags & SUPPRESS) ? str : NULL, c, &state);
					if (__builtin_expect (n == (size_t) -1, 0))
						encode_error ();

					assert (n <= MB_CUR_MAX);
					str += n;
				}
				while (--width > 0 && inchar () != WEOF);
			out2:
#else
				do
				{
					if (wp[c] == not_in)
					{
						myungetc_not_eof (c, s);
						break;
					}

					/* This is easy.  */
					if (!(flags & SUPPRESS))
					{
						if ( str_sz-- == 0 )
						{
							conv_error();
						}

						*str++ = c;
						if ((flags & MALLOC)
							&& (char *) str == *strptr + strsize)
						{
							/* Enlarge the buffer.  */
							size_t newsize = 2 * strsize;

						allocagain:
							str = (char *) realloc (*strptr, newsize);
							if (str == NULL)
							{
								/* Can't allocate that much.  Last-ditch
								   effort.  */
								if (strsize > 0 && newsize > (size_t) strsize + 1)
								{
									newsize = strsize + 1;
									goto allocagain;
								}
								if (flags & POSIX_MALLOC)
								{
									done = EOF;
									goto errout;
								}
								/* We lose.  Oh well.  Terminate the
								   string and stop converting,
								   so at least we don't skip any input.  */
								((char *) (*strptr))[strsize - 1] = '\0';
								strptr = NULL;
								++done;
								conv_error ();
							}
							else
							{
								*strptr = (char *) str;
								str += strsize;
								strsize = newsize;
							}
						}
					}
				}
				while (--width > 0 && inchar () != EOF);
#endif

				if (__builtin_expect (now == read_in, 0))
					/* We haven't succesfully read any character.  */
					conv_error ();

				if (!(flags & SUPPRESS))
				{
#ifdef COMPILE_WSCANF
					/* We have to emit the code to get into the initial
					   state.  */
					char buf[MB_LEN_MAX];
					size_t n = wcrtomb (buf, L'\0', &state);
					if (n > 0 && (flags & MALLOC)
						&& str + n >= *strptr + strsize)
					{
						/* Enlarge the buffer.  */
						size_t strleng = str - *strptr;
						char *newstr;

						newstr = (char *) realloc (*strptr, strleng + n + 1);
						if (newstr == NULL)
						{
							if (flags & POSIX_MALLOC)
							{
								done = EOF;
								goto errout;
							}
							/* We lose.  Oh well.  Terminate the string
							   and stop converting, so at least we don't
							   skip any input.  */
							((char *) (*strptr))[strleng] = '\0';
							strptr = NULL;
							++done;
							conv_error ();
						}
						else
						{
							*strptr = newstr;
							str = newstr + strleng;
							strsize = strleng + n + 1;
						}
					}

					str = mempcpy (str, buf, n);
#endif
					*str++ = '\0';

					if ((flags & MALLOC) && str - *strptr != strsize)
					{
						char *cp = (char *) realloc (*strptr, str - *strptr);
						if (cp != NULL)
							*strptr = cp;
					}
					strptr = NULL;

					++done;
				}
			}
			break;

		case L_('p'):	/* Generic pointer.  */
			base = 16;
			/* A PTR must be the same size as a `long int'.  */
			flags &= ~(SHORT|LONGDBL);
			if (need_long)
				flags |= LONG;
			flags |= READ_POINTER;
			goto number;

		default:
			/* If this is an unknown format character punt.  */
			conv_error ();
		}
    }

	/* The last thing we saw int the format string was a white space.
	   Consume the last white spaces.  */
	if (skip_space)
    {
		do
			c = inchar ();
		while (ISSPACE (c));
		myungetc (c, s);
    }

errout:
	/* Unlock stream.  */
	UNLOCK_STREAM (s);

	if (use_malloc)
		free (wp);

	if (errp != NULL)
		*errp |= errval;

	if (__builtin_expect (done == EOF, 0))
    {
		if (__builtin_expect (ptrs_to_free != NULL, 0))
		{
			struct ptrs_to_free *p = ptrs_to_free;
			while (p != NULL)
			{
				size_t cnt;
				for (cnt = 0; cnt < p->count; ++cnt)
				{
					free (*p->ptrs[cnt]);
					*p->ptrs[cnt] = NULL;
				}
				p = p->next;
				ptrs_to_free = p;
			}
		}
    }
	else if (__builtin_expect (strptr != NULL, 0))
    {
		free (*strptr);
		*strptr = NULL;
    }

	if (runtime_constraint)
	{
		_CONSTRAINT_VIOLATION("Encountered an output variable that is NULL", EINVAL, EOF);
	}
	return done;
}
